Pith Number

pith:X2EHCSEF

pith:2025:X2EHCSEFD7VEIE5E5BRV2EJT7K

not attested not anchored not stored refs pending

Rule-based Key-Point Extraction for MR-Guided Biomechanical Digital Twins of the Spine

Daniel Rueckert, Hendrik M\"oller, Jan S. Kirschke, Johannes Paetzold, Julian McGinnis, Julius Maria Watrinet, Kati Nispel, Matan Atad, Robert Graf, Tanja Lerchl

arxiv:2508.14708 v1 · 2025-08-20 · eess.IV · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X2EHCSEFD7VEIE5E5BRV2EJT7K}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T11:56:37.208945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be887148851fea4413a4e8635d1133fa92059a9fdbd82da41437dfbeea44ef66

Aliases

arxiv: 2508.14708 · arxiv_version: 2508.14708v1 · doi: 10.48550/arxiv.2508.14708 · pith_short_12: X2EHCSEFD7VE · pith_short_16: X2EHCSEFD7VEIE5E · pith_short_8: X2EHCSEF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/X2EHCSEFD7VEIE5E5BRV2EJT7K \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: be887148851fea4413a4e8635d1133fa92059a9fdbd82da41437dfbeea44ef66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "976c294099b834c177563df523a137709651d5c332f6307c6ca7fc036d4621a7",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2025-08-20T13:31:40Z",
    "title_canon_sha256": "70b96251505d9c2ecc3406ead5c56eb492fbabf92acdad276fc8f91816956b89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.14708",
    "kind": "arxiv",
    "version": 1
  }
}